Drop legacy browser support (#8009)

* Drop legacy browser support

* Docs

* Use rollup-plugin-istanbul for coverage

* exclude node_modules from coverage

* No cleanup() when doing coverage

Jukka Kurkela committed 5y ago

910158055f875bd497980b2fad6a570ba92f4e75

Parent: 988c865

Committed by GitHub <noreply@github.com> on 11/16/2020, 7:01:33 PM